Finding the Fourth Proportional to 9,717,936.84, 13,410,854.10 and 5,367,133.62
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Solution
The fourth proportional to 9,717,936.84, 13,410,854.10 and 5,367,133.62 is: 7,406,700.32
Step by Step Solution
- Step 1: Write the proportion equation
9,717,936.84 : 13,410,854.10 = 5,367,133.62 : x - Step 2: Convert to fraction form
9,717,936.84/13,410,854.10 = 5,367,133.62/x - Step 3: Cross multiply
9,717,936.84x = 13,410,854.10 × 5,367,133.62 - Step 4: Simplify right side
9,717,936.84x = 71,977,845,913,024.84 - Step 5: Solve for x
x = 71,977,845,913,024.84/9,717,936.84 - Step 6: Final answer
x = 7,406,700.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.